CCleaner (Crap Cleaner) is a freeware system optimization and privacy tool. It removes unused and temporary files from your system - allowing Windows to run faster, more efficiently and giving you more hard disk space.

The Social Source Commons is a “knowledge commons” that provides users with: a directory of software applications; links to relevant documentation, localization tools, services, user reviews; and a place to request tools/features.

This helpful, free Web site includes a clock that displays current local times of cities around the world, a meeting planner, and a monthly calendar. Time and Date's customization features allow you to save your own settings.

TrendProtect is a freeware browser plug-in that helps you avoid Web pages with unwanted content and hidden threats. TrendProtect rates the current page and pages listed in Google, MSN, and Yahoo search results. You can use the rating to decide if you want to visit or avoid a given Web page.